| A | B |
| water cycle | The movement of water from the surface of Earth into the air and back again. |
| precipitation | Water that falls to Earth. |
| evaportaion | The process by which a liquid changes into a gas. |
| condensation | The process by which a gas changes into a liquid. |
| rain | Precipitation that is liquid water |
| sleet | Precipitaion made when rain falls through freezing air and turns into ice. |
| snow | Precipitation caused when water vapor turns directly into ice and forms ice crystals |
| hail | Round pieces of ice formed when frozen rain is coated with water and refreezes. |
| tornado | A fast spinning spiral of wind that touches the ground |
| hurricane | A large tropical storm that has winds of at least 74 miles per hour. |
| sea breeze | A breeze that moves from the water to the land. |
| land breeze | A breeze that moves from the land to the water. |
| rain shadow | The area on the side of a mountain range that gets little to no rain or cloud cover. |
| air mass | A large body of air that has a similiar temperature and moisture. |
| cold front | The boundry where a warm mass moves under a warm air mass. |
| warm front | The boundry where a warm air mass moves over a cold air mass. |
| barometer | A weather instrument used to measure air pressure. |
| anemometer | A weather instrument that measures wind speed. |